3 years ago

How do you calculate diameter

Mathematics

1 answer:

sergij07 [2.7K]3 years ago

7 0

To calculate the diameter of a circle, multiply the radius by two.

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Nicole has used 6 feet of ribbon.This represents 3/8 of the total amount of the ribbon she started with. How much ribbon did Nic

GalinKa [24]

3/8x=6. x=6*8/3. x=2*8. x=16. Nicole started with 16 feet of string.

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3 years ago

Describe the set of points z in the complex plane that satisfy the given equation; |z-2|=Re(z).

OLEGan [10]

Answer:

Parabola with vertex at point (1,0) that goes to the right (see attached diagram).

Step-by-step explanation:

Let the complex number z be

$z=x+iy,$

then

$z-2=x+iy-2=(x-2)+iy\\ \\Re\ (z-2)=x-2\\ \\Im\ (z-2)=y\\ \\|z-2|=\sqrt{Re^2\ (z-2)+Im^2\ (z-2)}=\sqrt{(x-2)^2+y^2}$

and

$Re\ z=x$

Thus,

$\sqrt{(x-2)^2+y^2}=x$

Square it:

$(x-2)^2+y^2=x^2\\ \\x^2-4x+4+y^2=x^2\\ \\-4x+4+y^2=0\\ \\y^2=4x-4\\ \\y^2=4(x-1)$

This is the equation of parabola with vertex at point (1,0) that goes to the right.

3 0

3 years ago

The parents organization bought 1,000 bumper stickers at $1.25 each to sell at football games.They want to make at least $750 pr

yuradex [85]

1000 x 1.25 = 1250
1000 x 2 = 2000
2000 - 1250 = 750
2000 divided by 1000 = 2

They should sell the bumper stickers for $2 each.
Hope this helped =)

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3 years ago

Solve for the variable in the following proportion. 5/25 = m/125

Arisa [49]

The solution is 5*125/25 = 25
m=25

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3 years ago

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vodomira [7]

Answer:

Step-by-step explanation:

hope this helps can i get brainliest

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2 years ago

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